# Chinese firm agrees to build rail tunnels in Qatar as Gulf investment continues despite Iran war > A Chinese construction company has signed on to build rail tunnel infrastructure in Qatar, underscoring how Chinese firms are continuing to pursue Gulf infrastructure deals even as regional conflict adds risk to the calculus. - Source: Pacific Post - Canonical URL: https://pacificpost.co.uk/article/china-firm-qatar-rail-tunnels-iran-war-risk - Author: Pacific Post Staff - Section: World - Published: 2026-10-18T11:40:00.000Z - Updated: 2026-10-18T11:40:00.000Z - Tags: China, Qatar, infrastructure, Iran war --- A Chinese construction firm has agreed to build rail tunnel infrastructure in Qatar, a deal formalized at a signing ceremony with Qatari officials, continuing a pattern of Chinese companies pursuing major infrastructure contracts across the Gulf even as the Iran war adds a new layer of regional risk to projects in the area. The agreement reflects the deepening economic ties between China and Gulf states that has developed over the past decade, as Chinese construction and engineering firms have won a steady stream of contracts across transport, energy and urban development projects in the region, often as part of broader efforts by Gulf governments to diversify their economies and modernize infrastructure ahead of major regional events. What makes this deal notable is its timing. Signing a major infrastructure contract in the Gulf while the Iran war continues to unsettle regional security dynamics signals that Chinese firms, and the Qatari government awarding the contract, are willing to proceed with long-horizon infrastructure commitments despite the heightened uncertainty the conflict has introduced across the wider region. Rail tunnel construction in particular represents a multi-year undertaking, meaning both sides are effectively betting that the current instability will not derail the project over its full build-out. The deal adds to a broader trend of Chinese firms maintaining, and in some cases expanding, their Gulf infrastructure footprint even as Western companies in similar sectors have in some cases grown more cautious about new commitments in the region amid the conflict. For Qatar, continuing to award large contracts during a period of regional tension signals confidence in its own security position and a determination to keep its infrastructure development timeline on track regardless of the instability surrounding it. Neither side has disclosed the full financial terms of the agreement, and it remains to be seen how the broader trajectory of the Iran war might affect the project's timeline or the willingness of other foreign firms to pursue similar Gulf infrastructure deals in the months ahead. --- Originally published by Pacific Post. Free to cite with attribution and a link to https://pacificpost.co.uk/article/china-firm-qatar-rail-tunnels-iran-war-risk.